8028155 has 4 divisors (see below), whose sum is σ = 9633792. Its totient is φ = 6422520.

The previous prime is 8028151. The next prime is 8028179. The reversal of 8028155 is 5518208.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8028155 - 2² = 8028151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8028151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 802811 + ... + 802820.

It is an arithmetic number, because the mean of its divisors is an integer number (2408448).

Almost surely, 2^8028155 is an apocalyptic number.

8028155 is a deficient number, since it is larger than the sum of its proper divisors (1605637).

8028155 is a wasteful number, since it uses less digits than its factorization.

8028155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605636.

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 8028155 is about 2833.3999011788. The cubic root of 8028155 is about 200.2343502924.

The spelling of 8028155 in words is "eight million, twenty-eight thousand, one hundred fifty-five".